CN206070128U - Overedger work feed eccentric wheel assembly - Google Patents
Overedger work feed eccentric wheel assembly Download PDFInfo
- Publication number
- CN206070128U CN206070128U CN201621052971.1U CN201621052971U CN206070128U CN 206070128 U CN206070128 U CN 206070128U CN 201621052971 U CN201621052971 U CN 201621052971U CN 206070128 U CN206070128 U CN 206070128U
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- CN
- China
- Prior art keywords
- eccentric
- work feed
- needle gage
- needle
- overedger
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of overedger work feed eccentric wheel assembly, including work feed eccentric, needle gage adjusts eccentric, needle gage adjustment cam, needle gage adjustment cam is provided centrally with centre bore, eccentric orfice is provided with work feed eccentric, needle roller is provided between work feed eccentric and needle gage adjustment cam and holds axle connecting rod, one end of needle gage adjustment cam is radially arranged and extends radially through rising as high as the banks for needle gage adjustment cam side, adjusting device of eccentricity is inserted with rising as high as the banks, needle gage to be adjusted and be inserted with limited post on eccentric, work feed eccentric is provided with the stopper slot for coordinating transfer motion power with limited post towards the end face that needle gage adjusts eccentric, slide in stopper slot and along stopper slot limited post end.The overedger work feed eccentric wheel assembly, can preferably simplify the drive mechanism that needle gage is adjusted between eccentric and work feed eccentric, reduce required precision between the two, reduce catching phenomenon.
Description
Technical field
This utility model is related to overedger, more particularly to a kind of overedger work feed eccentric wheel assembly.
Background technology
The work feed eccentric wheel assembly of overedger is mainly used in sewing process the amount of moving forward and backward for adjusting feed dog, and thus
The size of cloth feed amount is adjusted, preferable sewing thread trace and speed is obtained.
At present, the Chinese patent of Publication No. CN201473720U discloses a kind of fabric-feeding eccentric wheel component of sewing machine,
It includes that work feed eccentric, needle gage adjust eccentric, needle gage adjustment cam, is provided with two eccentric orfices, far on work feed eccentric
The bias guide wheel of the work feed with eccentric orfice is provided with the eccentric orfice of axis, needle gage adjusts eccentric setting on eccentric guide wheel
Axle, in the outer end insertion work feed eccentric wheel hole of wheel shaft.Although this work feed eccentric wheel assembly can be realized for work feed speed
Regulation, but needle gage adjusts eccentric and work feed eccentric and is on two power transmission shafts respectively, and by eccentric guide wheel come
Transmission is realized, the drive mechanism at this is complex, higher for requirement on machining accuracy, if two on work feed eccentric are eccentric
Precision between hole does not reach design requirement and is susceptible to catching phenomenon in transmission process between the two, is just affecting the component
Often work.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of overedger work feed eccentric group
Part, can preferably simplify the drive mechanism that needle gage is adjusted between eccentric and work feed eccentric, and the precision for reducing between the two will
Ask, reduce catching phenomenon.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of overedger work feed is inclined
Heart wheel assembly, including work feed eccentric, needle gage regulation eccentric, needle gage adjustment cam, during needle gage adjustment cam is provided centrally with
Heart hole, is provided with eccentric orfice on work feed eccentric, be provided with needle roller and hold axle connecting rod between work feed eccentric and needle gage adjustment cam,
One end of needle gage adjustment cam is radially arranged and extends radially through rising as high as the banks for needle gage adjustment cam side, rise as high as the banks in be inserted with offset
Adjusting means, needle gage adjust and limited post are inserted with eccentric, and work feed eccentric is arranged towards the end face that needle gage adjusts eccentric
There is the stopper slot for coordinating transfer motion power with limited post, limited post end is slided in stopper slot and along stopper slot.
By above-mentioned technical proposal, needle gage adjusts between eccentric and work feed eccentric by limited post and stopper slot to pass
Dynamic, when there is transmission between the two, the limited post that needle gage is adjusted on eccentric is stuck in the stopper slot on work feed eccentric end face
Interior, when relatively rotating between the two, the side of limited post can be contradicted with stopper slot side, transmit torque.When between two axles
Or the jack of limited post is when producing larger form and position tolerance, limited post can occur to slide in stopper slot public to adapt to morpheme
Poor is overproof.Machining accuracy can be reduced in processing so, it is to avoid due to the overproof generation catching phenomenon of form and position tolerance.
Preferably, be provided with the annular shaft shoulder on the end face for axle connecting rod being held towards needle roller in the needle gage adjustment cam, annular
Shaft shoulder end is plugged in the eccentric orfice of work feed eccentric.
By above-mentioned technical proposal, easily will can link together between needle gage adjustment cam and work feed eccentric,
So arrange between the two simultaneously and can simplify attachment structure.Relative to the connected mode in documents, the structure is processed more
Plus it is convenient, while the quantity of the size for cooperating can also be reduced, reduce machining accuracy.
Preferably, the needle roller holds, and is provided with oil outlet on the annular shaft shoulder.
By above-mentioned technical proposal, during use, fuel feed hole on axle connecting rod can be held to oiling in dead eye by needle roller.
Because of situations such as lubricating oil can occur during needle bearing work it is rotten, the setting of oil outlet can facilitate lubricating oil from
Rolling in bearing bore for being formed between dead eye and the annular shaft shoulder spills, and is easy to the renewal of lubricating oil.
Preferably, the both sides of rising as high as the banks are provided with lubrication groove.
By above-mentioned technical proposal, when adjusting device of eccentricity is when interior slip is risen as high as the banks, lubrication has and can pass through lubrication groove
Surface of rising as high as the banks is entered into, the surface to rising as high as the banks and adjusting device of eccentricity contacts with each other is lubricated, existed with reducing between the two
The abrasion produced during there is relative slip.
Preferably, the middle part of rising as high as the banks is provided with logical oil groove.
By above-mentioned technical proposal, the setting of logical oil groove can make lubricating oil enter into adjusting device of eccentricity and rise as high as the banks it
Between, make preferably to be lubricated between the two, to reduce abrasion.
Preferably, the needle roller holds axle connecting rod includes connecting rod, and connecting rod lateral edge is provided with for strengthening connection
The reinforcement of bar.
By above-mentioned technical proposal, the setting of reinforcement can preferably increase the intensity of connecting rod, it is to avoid use
The phenomenon that connecting rod fractures in journey occurs.
Preferably, the needle gage adjustment cam side is provided with logical oil breach, and logical oil breach is located at the middle part of one end of rising as high as the banks,
Logical oil breach is less than dead eye to the distance of the annular shaft shoulder to the distance of the annular shaft shoulder.
By above-mentioned technical proposal, the presence of logical oil breach can connect dead eye and annular shaft shoulder into bearing bore,
So that lubricating oil can enter into bearing intracavity by logical oil breach, the needle bearing of bearing intracavity is made preferably to be lubricated.
Logical oil breach is located at this and can avoid being interfered with torsion spring simultaneously.
Description of the drawings
Structural representations of the Fig. 1 for embodiment；
Fig. 2 is the schematic cross-section that work feed eccentric and needle gage adjust cam；
Structural representations of the Fig. 3 for needle gage adjustment cam one end visual angle；
Structural representations of the Fig. 4 for needle gage adjustment cam other end visual angle；
Fig. 5 holds the structural representation of axle connecting rod for needle roller.
Reference：1st, needle gage adjusts eccentric；11st, limited post；12nd, screw hole；2nd, work feed eccentric；21st, stopper slot；
3rd, needle roller holds axle connecting rod；31st, fuel feed hole；32nd, connecting rod；33rd, reinforcement；34th, dead eye；4th, needle gage adjustment cam；41st, lubricate
Groove；42nd, lead to oil groove；43rd, the annular shaft shoulder；44th, centre bore；45th, oil outlet；46th, lead to oil breach；5th, adjusting device of eccentricity；6、
Needle bearing.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but
As long as all being protected by Patent Law in right of the present utility model.
As depicted in figs. 1 and 2, it is eccentric that a kind of overedger work feed eccentric wheel assembly, including needle gage adjusts eccentric 1, work feed
Wheel 2, needle gage adjustment cam 4.Needle gage adjusts the through hole being provided with eccentric 1 for being connected with power transmission shaft, and needle gage adjusts eccentric
Two screw holes 12 are additionally provided with wheel 1, are contradicted with power transmission shaft for being screwed into screw, are made power transmission shaft eccentric 1 be adjusted with needle gage
It is connected as a single entity.Eccentric orfice is provided with work feed eccentric 2, work feed eccentric 2 is adjusted towards needle gage and also set on the end face of eccentric 1
It is equipped with stopper slot 21,2 side of the connection work feed of stopper slot 21 eccentric and eccentric orfice.Needle gage to be adjusted and be provided with jack on eccentric 1,
Limited post 11 is inserted with jack, limited post 11 is in stopper slot 21 towards work feed eccentric 2, pot life position post 11, is limited
Occur to contradict between 21 side of post 11 and stopper slot of position, for transmitting torque.When needle gage adjusts eccentric 1 and work feed eccentric 2
Between when relatively rotating limited post 11 can slide in stopper slot 21, with certain adaptive ability, can be one
Determine the form and position tolerance in degree to producing in the course of processing to compensate, reduce the required precision of the component, it is to avoid using
Cause the phenomenons such as clamping stagnation during operating in journey as form and position tolerance is exceeded.
As shown in Figure 3 and Figure 4, needle gage adjustment cam 4 is provided with the annular shaft shoulder 43 towards on the end face of work feed eccentric 2,
The annular shaft shoulder 43 is provided centrally with the centre bore 44 for wearing the annular shaft shoulder 43,43 eccentric setting of centre bore 44 and the annular shaft shoulder.Pin
It is provided with away from another side of regulation eccentric cam and rises as high as the banks, the side of radial penetration of rising as high as the banks needle gage adjustment cam 4, interior plugging of rising as high as the banks
There is adjusting device of eccentricity 5, adjusting device of eccentricity 5 can slide in interior generation of rising as high as the banks.Both sides of rising as high as the banks are provided with and rise as high as the banks flat
Capable lubrication groove 41, middle part of rising as high as the banks are additionally provided with logical oil groove 42.The setting of lubrication groove 41 and logical oil groove 42 can be for lubricating oil stream
It is dynamic, lubricating oil is entered into adjusting device of eccentricity 5 and is risen as high as the banks on competing surface, occur between the two relative to reduce
The abrasion produced during slip, to increase the life-span between the two.4 other end of needle gage adjustment cam is additionally provided with the annular shaft shoulder 43,
The annular shaft shoulder 43 is arranged with needle bearing 6 from inside to outside and needle roller holds axle connecting rod 3.Needle roller holds 3 one end of axle connecting rod and is provided centrally with
Dead eye 34, forms a bearing bore for being used to place needle bearing 6 between dead eye 34 and the annular shaft shoulder 43.While annular shaft
During 43 end of shoulder plugs the eccentric orfice of work feed eccentric 2 and with eccentric orfice interference fit.Needle roller hold be provided with axle connecting rod 3 into
Oilhole 31, fuel feed hole 31 just to needle bearing 6 in the middle part of, oil outlet 45 is provided with the annular shaft shoulder 43.So can be from fuel feed hole
31 to bearing intracavity oiling, to be lubricated to needle bearing 6, while the lubricating oil of bearing intracavity can be by the annular shaft shoulder
Oil outlet 45 on 43 flows out, and can be flowed by oil outlet 45 after lubricating oil occurs to go bad during 6 use of needle bearing
Go out.Rising as high as the banks logical oil breach 46 of be additionally provided with the middle part of one end, lead to oil breach 46 and bearing is less than to the distance on annular 43 surface of the shaft shoulder
Distance of the hole 34 to annular 43 surface of the shaft shoulder, so when needle gage adjustment cam 4 and needle roller hold axle connecting rod 3 fits, lubricating oil can
So that bearing intracavity is entered from logical oily breach 46, to increase the ability that lubricating oil is entered or flows out bearing bore, further facilitate
It is lubricated into or flows out bearing bore, it is ensured that needle bearing 6 preferably can be lubricated.
As shown in figure 5, while needle roller holds axle connecting rod 3 also includes connecting rod 32, the lateral edge of connecting rod 32 is provided with
Reinforcement 33, the setting of reinforcement 33 can increase the intensity of connecting rod 32, it is to avoid connecting rod 32 occurs disconnected in use
Split situation.
The above is only exemplary embodiment of the present utility model, not for restriction protection model of the present utility model
Enclose, protection domain of the present utility model is determined by appended claim.
Claims (7)
1. a kind of overedger work feed eccentric wheel assembly, including work feed eccentric (2), needle gage adjust eccentric (1), needle gage and adjust convex
Wheel (4), needle gage adjustment cam (4) are provided centrally with centre bore (44), and work feed eccentric is provided with eccentric orfice on (2), and work feed is inclined
Needle roller is provided between heart wheel (2) and needle gage adjustment cam (4) and holds axle connecting rod (3), one end of needle gage adjustment cam (4) radially sets
Be equipped with and extend radially through rising as high as the banks for needle gage adjustment cam (4) side, rise as high as the banks in be inserted with adjusting device of eccentricity (5), it is characterized in that：
Needle gage adjusts and limited post (11) is inserted with eccentric (1), and work feed eccentric (2) adjusts the end face of eccentric (1) towards needle gage
The stopper slot (21) for coordinating transfer motion power with limited post (11) is provided with, limited post (11) end is on the interior simultaneously edge of stopper slot (21)
Stopper slot (21) slides.
2. overedger work feed eccentric wheel assembly according to claim 1, is characterized in that：On the needle gage adjustment cam (4)
The annular shaft shoulder is provided with the end face that axle connecting rod (3) are held towards needle roller（43）, the annular shaft shoulder（43）It is eccentric that end is plugged in work feed
In the eccentric orfice of wheel (2).
3. overedger work feed eccentric wheel assembly according to claim 2, is characterized in that：The needle roller is held on axle connecting rod (3)
It is provided with fuel feed hole (31), the annular shaft shoulder（43）On be provided with oil outlet (45).
4. overedger work feed eccentric wheel assembly according to claim 1, is characterized in that：The both sides of rising as high as the banks are provided with lubrication
Groove (41).
5. overedger work feed eccentric wheel assembly according to claim 1, is characterized in that：The middle part of rising as high as the banks is provided with logical oil
Groove (42).
6. overedger work feed eccentric wheel assembly according to claim 1, is characterized in that：The needle roller holds axle connecting rod (3) bag
Include connecting rod (32), connecting rod (32) lateral edge is provided with for strengthening the reinforcement (33) of connecting rod (32).
7. overedger work feed eccentric wheel assembly according to claim 2, is characterized in that：Needle gage adjustment cam (4) side
Face is provided with logical oil breach (46), leads to oil breach (46) positioned at the middle part of one end of rising as high as the banks, and leads to oil breach (46) to the annular shaft shoulder
（43）Distance less than dead eye (34) to the annular shaft shoulder（43）Distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621052971.1U CN206070128U (en) | 2016-09-13 | 2016-09-13 | Overedger work feed eccentric wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621052971.1U CN206070128U (en) | 2016-09-13 | 2016-09-13 | Overedger work feed eccentric wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206070128U true CN206070128U (en) | 2017-04-05 |
Family
ID=58437771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621052971.1U Expired - Fee Related CN206070128U (en) | 2016-09-13 | 2016-09-13 | Overedger work feed eccentric wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206070128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099938A (en) * | 2017-04-28 | 2017-08-29 | 杰克缝纫机股份有限公司 | A kind of simple needle gage governor motion of sewing machine and sewing machine |
| CN113005663A (en) * | 2021-03-01 | 2021-06-22 | 苏州琼派瑞特电子科技有限公司 | Oil leakage prevention cam of flat seaming machine |
-
2016
- 2016-09-13 CN CN201621052971.1U patent/CN206070128U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099938A (en) * | 2017-04-28 | 2017-08-29 | 杰克缝纫机股份有限公司 | A kind of simple needle gage governor motion of sewing machine and sewing machine |
| CN113005663A (en) * | 2021-03-01 | 2021-06-22 | 苏州琼派瑞特电子科技有限公司 | Oil leakage prevention cam of flat seaming machine |
| CN113005663B (en) * | 2021-03-01 | 2022-12-27 | 苏州琼派瑞特科技股份有限公司 | Oil leakage prevention cam of flat seaming machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20180913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |